. >>> a developing story we have been following out of siskiyou county near the oregon border. northbound interstate five remains closed after a 64-car pile-up last night. the series of crashes started around 6:30 late on tuesday. the pile-up stretched for a mile along the northbound side of the freeway between yreka and the state border. at least 7 people suffered minor to moderate injuries and were taken to area hospitals. black ice is blamed for the accident. >>> right here in the bay area we are feeling the freeze. >> the big chill hit. it's the coldest it's been since january. we have the latest on the weather from elizabeth. >> it's cold. we are going to get a firsthand account in a minute but you will notice it's dipped to the 20s in a lot of spots. freeze warning in effect for the north bay. frost advisories for the east and south bay valleys. and all along the bay you will notice these reds and blues. those are super cold spots. livermore below freezing. it is going to be a little warmer along the bay. let's see, 41 in san francisco but it has dipped to about 38 in oak